noun
A somewhat formal or academic term for popular music, often contrasted with classical or art music. In everyday conversation, ポピュラー音楽 or simply ポップス is more common.
See also: ポピュラー音楽
大衆音楽は、多くの人に親しまれている音楽のジャンルです。
Popular music is a genre of music enjoyed by many people.
この授業では、20世紀の大衆音楽の歴史を学びます。
In this class, we study the history of 20th-century popular music.
Compound of 大衆 (taishū, 'the masses, general public') and 音楽 (ongaku, 'music').